From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: pjb@informatimago.com (Pascal J. Bourguignon) Newsgroups: gmane.emacs.help Subject: Re: Searching for a string in a string Date: Mon, 28 Sep 2009 15:08:51 +0200 Organization: Anevia SAS Message-ID: <7c4oqnkyho.fsf@pbourguignon.lefevre.anevia.com> References: NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1254145425 16536 80.91.229.12 (28 Sep 2009 13:43:45 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 28 Sep 2009 13:43:45 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Mon Sep 28 15:43:38 2009 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1MsGVt-0005c6-EN for geh-help-gnu-emacs@m.gmane.org; Mon, 28 Sep 2009 15:43:38 +0200 Original-Received: from localhost ([127.0.0.1]:33550 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MsGVs-0007jQ-Vs for geh-help-gnu-emacs@m.gmane.org; Mon, 28 Sep 2009 09:43:37 -0400 Original-Path: news.stanford.edu!usenet.stanford.edu!goblin2!goblin.stu.neva.ru!feeder.erje.net!newsfeed.straub-nv.de!proxad.net!feeder1-2.proxad.net!cleanfeed2-b.proxad.net!nnrp6-1.free.fr!not-for-mail Original-Newsgroups: gnu.emacs.help Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwAQMAAABtzGvEAAAABlBMVEUAAAD///+l2Z/dAAAA oElEQVR4nK3OsRHCMAwF0O8YQufUNIQRGIAja9CxSA55AxZgFO4coMgYrEDDQZWPIlNAjwq9 033pbOBPtbXuB6PKNBn5gZkhGa86Z4x2wE67O+06WxGD/HCOGR0deY3f9Ijwwt7rNGNf6Oac l/GuZTF1wFGKiYYHKSFAkjIo1b6sCYS1sVmFhhhahKQssRjRT90ITWUk6vvK3RsPGs+M1RuR mV+hO/VvFAAAAABJRU5ErkJggg== X-Accept-Language: fr, es, en X-Disabled: X-No-Archive: no User-Agent: Gnus/5.101 (Gnus v5.10.10) Emacs/22.2 (gnu/linux) Cancel-Lock: sha1:VvlexB+/MZ/lHFMvnaJh95yUxW4= Original-Lines: 17 Original-NNTP-Posting-Date: 28 Sep 2009 15:08:51 MEST Original-NNTP-Posting-Host: 88.170.236.224 Original-X-Trace: 1254143331 news-1.free.fr 11331 88.170.236.224:43198 Original-X-Complaints-To: abuse@proxad.net Original-Xref: news.stanford.edu gnu.emacs.help:173390 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:68503 Archived-At: Joost Kremers writes: > Nordl=F6w wrote: >> Is there a variant of string-match() that searches for a string (sub- >> string) instead of a regexp? > > a string is just a special case of a regexp, so why wouldn't you use > string-match? A primitive literal-string-match could be more efficient than a generic regular expression matching algorithm. That said, if the regexp machinery is well optimized, we only lose regexp compilation time, which in the case of a fully escaped regular expression may be very fast. --=20 __Pascal Bourguignon__